Medicine

Childhood antibiotics increase risk of irritable bowel syndrome in young adults

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A study presented at UEG Week 2026 found that antibiotic use from childhood through early adulthood is associated with increased odds of developing irritable bowel syndrome (IBS) by age 24. The research demonstrates a dose-response relationship, meaning that the likelihood of developing IBS increased proportionally with the number of antibiotic prescriptions received during this developmental period.


This finding suggests that antibiotic prescribing practices during childhood and young adulthood may have long-term consequences for gut health. The research could inform clinical decision-making around antibiotic stewardship, particularly regarding when antibiotics are truly necessary for young patients.


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Antibiotic use from childhood through early adulthood was associated with higher odds of irritable bowel syndrome (IBS) at age 24, with the odds increasing as the number of antibiotic prescriptions rose, according to a new study presented at UEG Week 2026.

Source: Antibiotic use from childhood linked to higher odds of IBS in young adulthood